Omega Seamaster 300 Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet
Reference 234.30.41.21.03.001
About this watch
The Omega Seamaster 300 Master Chronometer, reference 234.30.41.21.03.001, is a stunning example of craftsmanship and precision fused into a timepiece. Its striking blue dial, crafted from high-quality stainless steel, exudes durability and elegance. The watch seamlessly transitions between casual and formal settings, making it suitable for both everyday wear and special occasions. At the core of the Seamaster 300 lies the automatic Omega Caliber 8912, featuring a chronometer and co-axial escapement for exceptional accuracy and reliability. This movement is built to last, with 38 jewels and a 60-hour power reserve. The watch's impressive water resistance of 300 meters ensures it can withstand even the most demanding underwater adventures. The Omega Seamaster 300 Master Chronometer is not just a timepiece; it's a celebration of craftsmanship, innovation, and style. Its rich history, modern features, and breathtaking design make it an investment that any watch enthusiast would be proud to own.
Key Features
- Automatic Omega Caliber 8912 movement
- 300 meters water resistance
- 41mm stainless steel case diameter
- 38 jewels for exceptional accuracy
- 60-hour power reserve for reliability
- Co-axial escapement for reduced friction and increased accuracy
- Chronometer certification for precision and reliability
Specifications
- Brand
- Omega
- Family
- Seamaster 300
- Model
- Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet
- Reference
- 234.30.41.21.03.001
- Movement
- 8912
- Movement Features
-
- Hours, Minutes, Seconds
- Chronometer, Co-Axial Escapement
- Case
- 41mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings

Omega Seamaster 300M - White Dial - 42mm - 210.30.42.20.04.001 ( new / 2024 )
This Omega Seamaster 300 is a brand new watch with a white dial and black bezel, featuring a stainless steel case and Master Co-Axial movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement type: Master Co-Axial

Omega Seamaster 300 - Diver - White Dial - 210.32.42.20.04.001 ( new / 2024 )
This is a brand new Omega Seamaster 300 with a white dial, featuring a 42mm stainless steel case and an 8800 Master Co-Axial movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: Master Co-Axial

Omega Seamaster 300 - Bond - 007 - No Time To Die - NTTD ( excellent )
This excellent condition Omega Seamaster 300 is a limited edition James Bond watch from the 'No Time to Die' movie. It features a 42mm titanium case and comes with all original boxes, papers, booklets, leather pouch, hang tag, and Omega Warranty Card dated February 2024.
- Condition: Excellent
- Case material: Titanium
- Case size: 42mm
- Movement: Limited Edition - James Bond No Time To Die

Omega Seamaster 300 - Green Wave Dial - 210.30.42.20.10.001 ( new / 2024 )
This Omega Seamaster 300 features a 42mm stainless steel case and an 8800 Master Co-Axial movement, with a green wave dial.
- Condition: Brand new
- Case size: 42mm diameter
- Movement type: Master Co-Axial

Omega Seamaster 300M - Grey / Titanium - 42mm - 210.30.42.20.06.002 ( new )
This Omega Seamaster 300 is a Master Chronometer with a stainless steel case and 8806 movement. It features a grey dial and titanium bezel on a bracelet.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: Master Co-Axial Movement 8806
Omega Seamaster 300m 41mm Black NOS 212.30.41.20.01.003
A 2018 Omega Seamaster 300m in black, still with factory plastics and unworn.
- Condition: New Old Stock (NOS)
- Year Of Manufacture: 2018
- Warranty Length: 1 year

Omega Seamaster 300M - Blue Dial - 210.30.42.20.03.001 ( excellent / 2024 )
This Omega Seamaster 300 is a Master Chronometer with a 42mm stainless steel case, featuring a blue dial and bezel on a bracelet.
- Condition: Excellent
- Movement: 8800 Master Co-Axial Movement
- Case size: 42mm diameter
- Shipping options: Fedex Express within the US, International Shipping adds $150

Omega Seamaster 300M SS 42MM Diver Summer Blue Wave Dial 210.30.42.20.03.003 B
Up for sale is an Omega Seamaster 300M SS 42MM Diver Summer Blue Wave Dial, in excellent condition. The timepiece includes various accessories such as the inner and outer box, booklet, serial hang tag, pictogram card, master chronometer card, and international Omega warranty card.
- Condition: Excellent
- Case Size: 42mm
- Material: Stainless Steel

OMEGA Seamaster 300m Chronometer 2551.80 36mm Medium Size Automatic watch
This is a 36mm medium size Omega Seamaster 300m Chronometer, an automatic watch that is functioning fine but could benefit from a light polish.
- Condition: Pre-owned, needs polish and potential service
- Size: 36mm diameter